Usha Sambamoorthi, PhD

Research output

Research output per year 1989 2015 2016 2017 2018 2020 2021 2023

• 253 Article
• 9 Review article
• 3 Letter
• 1 Editorial

Research output per year

Research output per year

Search results

• Healthcare burden of depression in adults with arthritis

  Sambamoorthi, U., Shah, D. & Zhao, X., 2 Jan 2017, In: Expert Review of Pharmacoeconomics and Outcomes Research. 17, 1, p. 53-65 13 p.

  Research output: Contribution to journal › Review article › peer-review

  • Arthritis 100%
  • Healthcare 87%
  • Depression 74%
  • Delivery of Health Care 69%
  • knowledge gap 28%

• Depressive symptoms and untreated coronal dental caries among adults ages 21-64 years, NHANES 2013-2014

  Wiener, R. C., Shen, C., Findley, P. A., Dwibedi, N. & Sambamoorthi, U., Sep 2018, In: Community Dental Health. 35, 3, p. 179-185 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Nutrition Surveys 100%
  • Dental Caries 99%
  • Depression 59%
  • health 41%
  • dental care 30%

• Mental health conditions and hospitalizations for ambulatory care sensitive conditions among veterans with diabetes

  Helmer, D. A., Dwibedi, N., Rowneki, M., Tseng, C. L., Fried, D., Rose, D., Jani, N. & Sambamoorthi, U., May 2020, In: American Health and Drug Benefits. 13, 2, p. 61-71 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Ambulatory Care 100%
  • ambulatory care 96%
  • Veterans 88%
  • Diabetes 86%
  • Hospitalization 84%

• Home-care use and expenditures among Medicaid beneficiaries with AIDS

  Sambamoorthi, U., Collins, S. R., Crystal, S. & Walkup, J., 1999, In: Health Care Financing Review. 20, 4, p. 161-177 17 p.

  Research output: Contribution to journal › Article › peer-review

  • Immunodeficiency Syndrome 100%
  • Medicaid 80%
  • Home Care Services 76%
  • home care 74%
  • Health Expenditures 73%

• Polypharmacy and Multimorbidity among Medicaid Enrollees: A Multistate Analysis

  Feng, X., Tan, X., Riley, B., Zheng, T., Bias, T. & Sambamoorthi, U., Apr 2018, In: Population Health Management. 21, 2, p. 123-129 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Multimorbidity 100%
  • Polypharmacy 90%
  • Medicaid 82%
  • fee-for-service 39%
  • chronic condition 37%

• Decomposing Gender Differences in Low-Density Lipoprotein Cholesterol among Veterans with or at Risk for Cardiovascular Illness

  Sambamoorthi, U., Mitra, S., Findley, P. A. & Pogach, L. M., Mar 2012, In: Women's Health Issues. 22, 2, p. e201-e208

  Research output: Contribution to journal › Article › peer-review

  • Veterans 100%
  • LDL Cholesterol 87%
  • gender-specific factors 77%
  • illness 77%
  • Lipids 63%

• Asthma, chronic obstructive pulmonary disease, tooth loss, and edentulism among adults in the United States: 2016 Behavioral Risk Factor Surveillance System survey

  Dwibedi, N., Wiener, R. C., Findley, P. A., Shen, C. & Sambamoorthi, U., Oct 2020, In: Journal of the American Dental Association. 151, 10, p. 735-744.e1

  Research output: Contribution to journal › Article › peer-review

  • Behavioral Risk Factor Surveillance System 100%
  • Tooth Loss 90%
  • Chronic Obstructive Pulmonary Disease 64%
  • Asthma 56%
  • Asthma-Chronic Obstructive Pulmonary Disease Overlap Syndrome 33%

• Gender differences in out-of-pocket prescription drug expenditures among the elderly

  Wei, W., Akincigil, A., Crystal, S. & Sambamoorthi, U., Jul 2006, In: Research on Aging. 28, 4, p. 427-453 27 p.

  Research output: Contribution to journal › Review article › peer-review

  • Prescription Drugs 100%
  • Health Expenditures 86%
  • expenditures 74%
  • medication 72%
  • gender-specific factors 68%

• A Multi-Level Analysis of Individual and Neighborhood Factors Associated with Patient Portal Use among Adult Emergency Department Patients with Multimorbidity

  Wang, H., Shen, C., Barbaro, M., Ho, A. F., Pathak, M., Dunn, C. & Sambamoorthi, U., Jan 2023, In: International Journal of Environmental Research and Public Health. 20, 2, 1231.

  Research output: Contribution to journal › Article › peer-review

  • Patient Portals 100%
  • Multimorbidity 88%
  • multi-level analysis 72%
  • Heterogeneity 60%
  • Hospital Emergency Service 52%

• Economic impact of a medicaid population health management program

  Rust, G., Strothers, H., Miller, W. J., McLaren, S., Moore, B. & Sambamoorthi, U., 1 Oct 2011, In: Population Health Management. 14, 5, p. 215-222 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Population Health Management 100%
  • Medicaid 66%
  • economic impact 64%
  • Health Expenditures 61%
  • health promotion 57%

• Healthcare Utilization and Expenditures in Working-Age Adults with Atrial Fibrillation: The Effect of Switching from Warfarin to Non-Vitamin K Oral Anticoagulants

  Feng, X., Sambamoorthi, U., Innes, K., LeMasters, T., Castelli, G., Dwibedi, N. & Tan, X., 1 Dec 2018, In: American Journal of Cardiovascular Drugs. 18, 6, p. 513-520 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Warfarin 100%
  • Health Expenditures 96%
  • Anticoagulants 87%
  • Atrial Fibrillation 84%
  • Outpatients 71%

• Use of protease inhibitors and non-nucleoside reverse transcriptase inhibitors among medicaid beneficiaries with AIDS

  Sambamoorthi, U., Moynihan, P. J., McSpiritt, E. & Crystal, S., 2001, In: American journal of public health. 91, 9, p. 1474-1481 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Reverse Transcriptase Inhibitors 100%
  • Medicaid 91%
  • Protease Inhibitors 85%
  • Acquired Immunodeficiency Syndrome 69%
  • AIDS 68%

• A brief treatment engagement intervention for individuals with co-occurring mental illness and substance use disorders: Results of a randomized clinical trial

  Smelson, D., Kalman, D., Losonczy, M. F., Kline, A., Sambamoorthi, U., Hill, L. S., Castles-Fonseca, K. & Ziedonis, D., Apr 2012, In: Community Mental Health Journal. 48, 2, p. 127-132 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Clinical Trials 100%
  • mental illness 87%
  • Substance-Related Disorders 83%
  • Randomized Controlled Trials 64%
  • Outpatients 53%

• Persistence with rapid-acting insulin and its association with A1C level and severe hypoglycemia among elderly patients with type 2 diabetes

  Sambamoorthi, U., Garg, R., Deb, A., Fan, T. & Boss, A., 3 Jul 2017, In: Current Medical Research and Opinion. 33, 7, p. 1309-1316 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Short-Acting Insulin 100%
  • Hypoglycemia 65%
  • Type 2 Diabetes Mellitus 50%
  • Elderly 45%
  • Acting Out 20%

• A Longitudinal Study of the Association of Opioid Use with Change in Pain Interference and Functional Limitations in a Nationally Representative Cohort of Adults with Osteoarthritis in the United States

  Shah, D., Zhao, X., Wei, W., Gandhi, K., Dwibedi, N., Webster, L. & Sambamoorthi, U., 1 Feb 2020, In: Advances in Therapy. 37, 2, p. 819-832 14 p.

  Research output: Contribution to journal › Article › peer-review

  • Osteoarthritis 100%
  • Opioid Analgesics 99%
  • Longitudinal Studies 93%
  • Pain 64%
  • Activities of Daily Living 55%

• Triptans Use for Migraine Headache among Nonelderly Adults with Cardiovascular Risk

  Alwhaibi, M., Deb, A. & Sambamoorthi, U., 2016, In: Pain Research and Treatment. 2016, 8538101.

  Research output: Contribution to journal › Article › peer-review

  • Tryptamines 100%
  • Migraine Disorders 71%
  • Health Expenditures 7%
  • Contraindications 6%
  • Social Class 6%

• On characteristics of community dwelling elderly not vaccinated for pneumococcus in 1998 and 2001 [2]

  Hoover, D. R., Sambamoorthi, U. & Crystal, S., Mar 2006, In: Preventive Medicine. 42, 3, p. 248-249 2 p.

  Research output: Contribution to journal › Letter › peer-review

• Low-value care and excess out-of-pocket expenditure among older adults with incident cancer – A machine learning approach

  Iloabuchi, C., Dwibedi, N., LeMasters, T., Shen, C., Ladani, A. & Sambamoorthi, U., Dec 2021, In: Journal of Cancer Policy. 30, 100312.

  Research output: Contribution to journal › Article › peer-review

  • Machine Learning 100%
  • Health Expenditures 89%
  • cancer 80%
  • expenditures 78%
  • incident 72%

• Longitudinal Patterns of Emergency Department Visits: A Multistate Analysis of Medicaid Beneficiaries

  Agarwal, P., Bias, T. K. & Sambamoorthi, U., Dec 2017, In: Health Services Research. 52, 6, p. 2121-2136 16 p.

  Research output: Contribution to journal › Article › peer-review

  • Medicaid 100%
  • Hospital Emergency Service 72%
  • time 31%
  • fee-for-service 24%
  • health 16%

• The Prevalence and Persistence of Sliding Scale Insulin Use Among Newly Admitted Elderly Nursing Home Residents With Diabetes Mellitus

  Pandya, N., Thompson, S. & Sambamoorthi, U., Nov 2008, In: Journal of the American Medical Directors Association. 9, 9, p. 663-669 7 p.

  Research output: Contribution to journal › Article › peer-review

  • nursing home 100%
  • Nursing Homes 93%
  • chronic illness 90%
  • persistence 80%
  • Diabetes Mellitus 72%

• Antidepressant use, depression, and new-onset diabetes among elderly Medicare beneficiaries

  Sambamoorthi, U., Ma, Y., Findley, P. A. & Rust, G., Sep 2013, In: Journal of Diabetes. 5, 3, p. 327-335 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Medicare 100%
  • Antidepressive Agents 87%
  • Elderly 65%
  • Depression 63%
  • Life Style 8%

• Factors Associated With Emergency Department Visits: A Multistate Analysis of Adult Fee-for-Service Medicaid Beneficiaries

  Agarwal, P., Bias, T. K., Madhavan, S., Sambamoorthi, N., Frisbee, S. & Sambamoorthi, U., 17 May 2016, In: Health Services Research and Managerial Epidemiology. 3

  Research output: Contribution to journal › Article › peer-review

  • fee-for-service 100%
  • Fee-for-Service Plans 96%
  • Medicaid 82%
  • incidence 63%
  • Hospital Emergency Service 59%

• National trends in prayer use as a coping mechanism for health concerns: Changes from 2002 to 2007

  Wachholtz, A. & Sambamoorthi, U., May 2011, In: Psychology of Religion and Spirituality. 3, 2, p. 67-77 11 p.

  Research output: Contribution to journal › Review article › peer-review

  • Religion 100%
  • Prayer 77%
  • coping 66%
  • Health 56%
  • trend 42%

• Rural Veterans' dental utilization, Behavioral Risk Factor Surveillance Survey, 2014

  Wiener, R. C., Shen, C., Sambamoorthi, U. & Findley, P. A., 1 Sep 2017, In: Journal of Public Health Dentistry. 77, 4, p. 383-392 10 p.

  Research output: Contribution to journal › Article › peer-review

  • Veterans 100%
  • surveillance 83%
  • utilization 77%
  • confidence 72%
  • Tooth 69%

• Mental illness and length of inpatient stay for medicaid recipients with AIDS

  Hoover, D. R., Sambamoorthi, U., Walkup, J. T. & Crystal, S., Oct 2004, In: Health Services Research. 39, 5, p. 1319-1340 22 p.

  Research output: Contribution to journal › Article › peer-review

  • severe mental illness 100%
  • Medicaid 87%
  • mental illness 73%
  • recipient 66%
  • Acquired Immunodeficiency Syndrome 66%